<template>
	<view>
		<view class="goods-list">
			<view v-for="(goods,i) in goodsList" :key="i" @click="gotoDetail(goods)">
				<my-goods :goods="goods"></my-goods>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				// 请求参数对象
				queryObj:{
					query:'',
					cid: '',
					pagenum:1,
					pagesize:10   
				},
				goodsList:[],
				total:0,
				isloading:false
			};
		},
		onLoad(options){
			this.queryObj.query = options.query ||  ''
			this.queryObj.cid = options.cid ||  ''
			
			this.getGoodsList()
		},
		methods:{
			// 这是获取列表数据的方法
		async	getGoodsList(cb){
			this.isloading  = true
			const { data:res } = await	uni.$http.get('/api/public/v1/goods/search',this.queryObj)
			
			//关闭节流阀
			this.isloading  = false
			cb && cb()
			if(res.meta.status !== 200) return uni.$showMsg()
			
			this.goodsList =[...this.goodsList,...res.message.goods]
			this.total = res.message.total
			},
			gotoDetail(goods){
				uni.navigateTo({
					url:'/subpkg/goods_detail/goods_detail?goods_id=' + goods.goods_id 
				})
			}
		},
		onReachBottom(){
			
			if(this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg('数据加载完毕')
 			
			
			if(this.isloading) return
			
			// 让页面值自增 +1
			this.queryObj.pagenum +=1
			this.getGoodsList()
		},
		
		onPullDownRefresh(){
			//重置关键数据
			this.queryObj.pagenum = 1
			this.total = 0
			this.isloading = false
			this.goodsList =[]
			
			// 重新发起数据请求
			this.getGoodsList(() => uni.stopPullDownRefresh())
		}
	}
</script>

<style lang="scss">
	
</style>
